Question

calcule a area do circulo 2,5cm

Answer 1

A=π*r²

A=3,14*2,5²

A=3,14*6,25

A=19,62

Resposta: 19,62cm²

Answer 2

A = π . r^2

A = π . 2.5^2

A = π . 6,25

A=6.25π

ou

A=19,62